P 5 / 8
R
epair
[3] -1. Disassembling/Assembling Hammering Mechanism (cont.)
Do the reverse of assembling steps.
Note:
1) Assemble by piling up component parts on Bearing box complete as illustrated in
Fig. 10
.
2) Make sure that twenty-four 3.5 Steel balls are in place inside Hammer.
3) Make sure that O ring 40 is assembled to Bearing box complete before assembling Internal gear 51. (
Fig. 11
)
4) Internal gear 51 is not reversible when assembled to Bearing box complete. Make sure that the stepped end of
Internal gear 51 is positioned on the Bearing box complete side. (
Fig. 11
)
5) Assemble Hammer case complete to Bearing box as illustrated in
Fig. 12
.
Fig. 12
ASSEMBLING
Fig. 11
Fig. 10
Internal gear 51
Bearing box complete
O ring 40
stepped end
Fit Hammer case complete over Internal gear 51
while aligning the four grooves on the inside of
Hammer case complete with the corresponding
projections on Internal gear 51.
Fasten Hammer case complete to Bearing box
complete to the recommended torque of
30 - 40 N.m
by turning counterclockwise
using 1R224 and No.1R223,
Internal gear 51
O ring 40
Bearing box complete
Hammering mechanism
Hammer case complete
Bearing box complete
134848-9
four projections
Internal gear 51
Hammer case complete
four grooves on
the inside surface
